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#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
stopwatch
stopwatch -h
EOF
}
help() {
cat <<-'EOF'
Options:
-h, --help show this message
Run a TUI stopwatch.
Examples:
Just run it:
$ stopwatch
EOF
}
for flag in "$@"; do
case "$flag" in
(--)
break
;;
(--help)
usage
help
exit
;;
(*)
;;
esac
done
while getopts 'h' flag; do
case "$flag" in
(h)
usage
help
exit
;;
(*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
date "+%l:%M:%S%p: stopwatch started (^D to stop)"
time cat
date "+%l:%M:%S%p: stopwatch stopped"
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